Carlos Jaschek / H.G. Groth (eds.)

Be Stars

Herausgegeben:Jaschek, Carlos; Groth, H. G.

• Gebundenes Buch

Produktbeschreibung

The idea of the symposium came during the XVllth General Assembly of the IAU at Montreal. The Working Group on Be stars adopted both the proposal of holding a meeting, and of having it at the Universitats sternwarte Munich. The meeting was organized under the auspices of IAU Comm. 29 (Stel lar Spectra) and the sponsorship of Comm. 45 (Stellar Classification). The Scientific Organizing Committee was composed of Mercedes Jaschek (chairman), W. Bonsack, C. de Loore, A. Feinstein, H. G. Groth, P. Harmanec, L. Houziaux, A. M. Hubert-De1p1ace, L. S. Luud, A. Slettebak and A. Underhill. The members of this committee are to be thanked for their devotion to the organization of what turned out to be a very successful meeting. The program was organized on an observational approach, comprising sessions on photometry, polarization, spectroscopy, infrared observations, rotation and binarity, X-ray observations, UV observations and mass loss, and atmospheric models. Each session started with aninvited summary paper, followed by a number of contributions. The different sessions were chaired by A. Feinstein, R. Sta1io, C. de Loore, Ch. Fehrenbach, J. P. Swings, C. Jaschek, A. Sapar, G. T. Traving, M. de Groot and H. G. Groth. Upon request of the Working Group., a special session was devoted to bibliographic problems and observing campaigns. The Dean of the Faculty for Physics 0. Pds. the Ludwig-Maximilians-, Universitat welcomed the participants at the beginning of the Symposium. The meeting was closed by a summary talk, delivered by ~. P. Snow.

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Produktdetails

• International Astronomical Union Symposia 98
• Verlag: IAU / Springer / Springer Netherlands
• Artikelnr. des Verlages: 978-90-277-1366-7
• 1981.
• Seitenzahl: 544
• Erscheinungstermin: 31. Dezember 1981
• Englisch
• Abmessung: 235mm x 155mm
• Gewicht: 1090g
• ISBN-13: 9789027713667
• ISBN-10: 9027713669
• Artikelnr.: 24517983

Inhaltsangabe

I. Photometry.- 1. Some Photometric Characteristics of Be Stars (Review paper).- 2. A Study of Be Star Variability.- 3. Composite Colour-Magnitude and Colour-Colour Diagrams for Be Stars in Open Clusters.- 4. Statistical Analysis of the Data Available for Be Stars.- 5. Absolute Magnitudes and Intrinsic Colours of Non-Supergiant Be Stars.- 6. Luminosity Classification of Be Stars by Balmer Line Narrow Band Photometry.- 7. Long-Term Variation of Be Stars on the Color-Magnitude Diagram.- 8. The Vatican Emission Star Survey: Review and Comments.- 9. Light Variations in Several Broad-Lined B Stars.- 10. Correlations between BCD Parameters of the Continuous Spectrum and the Balmer Decrement of Be Stars.- 11. Intrinsic Reddening of Be Stars and its Relation with H? Emission Intensities.- 12. BCD Spectrophotometry of the Be-Shell Star 88 Her.- 13. Correlation between Spectrum Characteristics and Photometric Behaviour of Be Stars.- 14. Optical Variations of the Be Star HDE 245770/A 0535+26.- II. Polarization.- 15. Polarimetry and Physics of Be Star Envelopes (Review paper).- 16. Simultaneous Spectroscopic and Polarimetric Observations of ? Aqr.- 17. The Strongly Polarized P Cygni Star with Infrared Excess CPD -52° 9243.- 18. Polarization in Peculiar Emission-Line Objects.- III. Spectroscopy.- 19. Spectroscopic Observations of Be Stars in the Photographic and Visual Regions (Review paper).- 20. Statistical Properties of Be Stars.- 21. Results of a New Survey for Early-Type Emission Stars.- 22. Observation de la Raie Ha dans les Etoiles Be.- 23. On the Radiation Deficiency of Shell Stars in the Balmer Continuum.- 24. Intensifier-Dissector-Scanner Observations of the Bright Northern Be Stars.- 25. Optical Spectroscopy of HD 102567 (4U1145-61).- 26. Search of Long-Period RadialVelocity Variations in Some Be Stars.- 27. Spectroscopic Study of Pleione in 1977-1979.- 28. An Unusually Stable and Short Spectroscopic Period of the Be Star 28 CMa.- 29. The Variable Shell Phase of HD 184279 between 1976 and 1980.- 30. A Spectrographs Study of the Shell Star EW Lac.- 31. A Preliminary Report on Simultaneous Ultraviolet and Optical Observations of Lambda Eridani.- 32. Radial Velocity Variations in 69 Orionis.- 33. On Periodic Variations in the Spectrum of the B0e Star X Persei Associated with the X-Ray Source 3U 0352+30.- 34. Recent Changes of the Be Star HD 58050.- 35. R81: P Cygni of the LMC.- 36. On the Problem of the Chemical Composition of ? Lyrae.- IV. Infrared Observations.- 37. Spectroscopic Observations of Be Stars Especially in the Infrared.- 38. Le Spectre des Etoiles Oe dans le Rouge et le Proche Infrarouge.- 39. Infrared Photometry of Be Stars.- 40. Search for Variability in Near Infrared Fluxes of Peculiar Emission-Line Objects.- 41. Infrared Emission from Four Be Stars Optical Counterparts of Galactic X-Ray Sources.- 42. A Preliminary Digital Analysis of the Spectrum of ? Lyrae.- Bibliography and Observing Campaigns.- 43. Introductory Talk: Bibliography of Be Stars.- 44. A Catalogue of Be Stars.- 45. A Catalogue of Ha Observations.- 46. An Observing Campaign for Systematic Photoelectric Observations of Bright Be Stars.- 47. Spectroscopic Observing Campaign.- V. Rotation and Binarity.- 48. Rotation, Expansion and Duplicity of Be Stars (Review paper).- 49. The Evolution of Rapidly Rotating B/Be Stars.- 50. Determination of the Inclination of Rotational Axes and Rotational Velocity from the Line Profiles of Rotating Stars.- 51. Be Stars as Interacting Binaries.- 52. Radial-Velocity and Photometric Variations of o And: CriticalEvaluation of Possible Periods.- 53. Rotational Velocity versus Mass Loss in Be Stars.- VI. X-Ray Observations.- 54. X-Ray Observations of Be Stars (Review paper).- 55. Be Components in X-Ray Binaries.- 56. Are Classical Be Stars Sources of Hard X-Rays?.- VII. UV Observations and Mass Loss.- 57. Ultraviolet Observations, Stellar Winds, and Mass Loss for Be Stars (Review paper).- 58. Stellar Winds and Mass-Loss Rates from Be Stars.- 59. Variation of Anomalous Stages of Ionization with Spectral Type for Be Stars.- 60. Mass Loss from ? Aquarii.- 61. The Expanding Atmosphere of HD 218393.- 62. The Peculiar Be Star HD 87643.- 63. Evidence for Mass Loss at Polar Latitudes in ? Ori and 66 Oph.- 64. Ultraviolet Observations of Interacting Binary Be Stars.- 65. Recent Changes in the Ultraviolet Spectrum of the Be Star HR 2855.- 66. The Active UV Phase of 59 Cyg.- 67. Far-Ultraviolet Colors of B Stars with and without Emission Lines.- 68. The Problem of X Persei.- 69. The Spectrum of HD 51585 in the Blue and in the Ultraviolet.- 70. UV Observations of ? Cas: Intermittent Mass-Loss Enhancement.- 71. IUE Observations of 17 Lep (HD 41511).- 72. Simultaneous IUE Ground-Based Spectroscopic Observations of the Variable LMC Star R71.- 73. Spectral Energy Distribution (119-685 nm) in 16 Shell Stars and a Tentative Model for Accreting Be Stars.- VIII. Atmospheric Models.- 74. Model Atmospheres of Be Stars (Review paper).- 75. Hydrodynamical Models of Rotating Magnetic Winds.- 76. Gross Structural Pattern for the Atmospheres of Be, and Some Closely Related, Stars.- 77. Theoretical Surface Brightness Distributions and Continuum Polarization of Rapidly Rotating B Stars.- 78. On the Balmer Progression Phenomena in Be Stars.- 79. On the Spectrum of the Herbig Be Star HD 200775.- 80.Spectroscopic Investigations of Herbig-Ae-Be-Stars.- Summary Talk.- 81. The Continuing Saga of the Be Stars.- Author's Index.